Gunmetal
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〘 noun 〙 (named after its use in the manufacture of cannons in the past) A type of copper alloy. It contains about 10% tin. Sometimes small amounts of zinc and lead are added. It has low tensile strength but is resistant to wear and corrosion, so it is used for bearings and ship parts. Gunmetal. *Fuzoku Gaho, issue 246 (1902) Shibaura Seisakusho "As the fourth factory, it casts iron and gunmetal" Source: The Selected Edition of the Japanese Language Dictionary About the Selected Edition of the Japanese Language Dictionary Information |
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〘名〙 (古く、大砲の製造に用いられたところからいう) 銅合金の一つ。錫を約一〇パーセント含む。時に少量の亜鉛・鉛を添加することもある。抗張力は弱いが摩耗・腐食に強いので軸受や船舶の部品に用いられる。ガンメタル。※風俗画報‐二四六号（1902）芝浦製作所「第四工場としては鉄類、砲金類の鋳造を為し」
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